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      1 /*
      2  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #include "core/rendering/RenderMedia.h"
     29 
     30 #include "core/html/HTMLMediaElement.h"
     31 #include "core/rendering/RenderView.h"
     32 
     33 namespace blink {
     34 
     35 RenderMedia::RenderMedia(HTMLMediaElement* video)
     36     : RenderImage(video)
     37 {
     38     setImageResource(RenderImageResource::create());
     39 }
     40 
     41 RenderMedia::~RenderMedia()
     42 {
     43 }
     44 
     45 void RenderMedia::trace(Visitor* visitor)
     46 {
     47     visitor->trace(m_children);
     48     RenderImage::trace(visitor);
     49 }
     50 
     51 HTMLMediaElement* RenderMedia::mediaElement() const
     52 {
     53     return toHTMLMediaElement(node());
     54 }
     55 
     56 void RenderMedia::layout()
     57 {
     58     LayoutSize oldSize = contentBoxRect().size();
     59 
     60     RenderImage::layout();
     61 
     62     RenderBox* controlsRenderer = toRenderBox(m_children.firstChild());
     63     if (!controlsRenderer)
     64         return;
     65 
     66     bool controlsNeedLayout = controlsRenderer->needsLayout();
     67     LayoutSize newSize = contentBoxRect().size();
     68     if (newSize == oldSize && !controlsNeedLayout)
     69         return;
     70 
     71     LayoutState state(*this, locationOffset());
     72 
     73     controlsRenderer->setLocation(LayoutPoint(borderLeft(), borderTop()) + LayoutSize(paddingLeft(), paddingTop()));
     74     controlsRenderer->style()->setHeight(Length(newSize.height(), Fixed));
     75     controlsRenderer->style()->setWidth(Length(newSize.width(), Fixed));
     76     controlsRenderer->forceLayout();
     77     clearNeedsLayout();
     78 }
     79 
     80 bool RenderMedia::isChildAllowed(RenderObject* child, RenderStyle*) const
     81 {
     82     // The only allowed child is the media controls. The user agent stylesheet
     83     // (mediaControls.css) has ::-webkit-media-controls { display: flex; }. If
     84     // author style sets display: inline we would get an inline renderer as a
     85     // child of replaced content, which is not supposed to be possible. This
     86     // check can be removed if ::-webkit-media-controls is made internal.
     87     return child->isFlexibleBox();
     88 }
     89 
     90 void RenderMedia::paintReplaced(PaintInfo&, const LayoutPoint&)
     91 {
     92 }
     93 
     94 } // namespace blink
     95